GB1592037A - Process and apparatus for printing transparencies - Google Patents
Process and apparatus for printing transparencies Download PDFInfo
- Publication number
- GB1592037A GB1592037A GB9667/78A GB966778A GB1592037A GB 1592037 A GB1592037 A GB 1592037A GB 9667/78 A GB9667/78 A GB 9667/78A GB 966778 A GB966778 A GB 966778A GB 1592037 A GB1592037 A GB 1592037A
- Authority
- GB
- United Kingdom
- Prior art keywords
- density
- limit
- original
- exposure
- printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000007639 printing Methods 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 22
- 230000008569 process Effects 0.000 title claims description 19
- 230000007935 neutral effect Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 15
- 239000003086 colorant Substances 0.000 claims description 7
- 238000010017 direct printing Methods 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000004904 shortening Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 230000004075 alteration Effects 0.000 claims 1
- 239000007844 bleaching agent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- 238000012937 correction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007687 exposure technique Methods 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
- G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH309777A CH627288A5 (enrdf_load_stackoverflow) | 1977-03-11 | 1977-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1592037A true GB1592037A (en) | 1981-07-01 |
Family
ID=4248549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9667/78A Expired GB1592037A (en) | 1977-03-11 | 1978-03-10 | Process and apparatus for printing transparencies |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4222661A (enrdf_load_stackoverflow) |
| JP (1) | JPS53113531A (enrdf_load_stackoverflow) |
| CH (1) | CH627288A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2810295A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1592037A (enrdf_load_stackoverflow) |
| IT (1) | IT1101823B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2125976A (en) * | 1982-07-15 | 1984-03-14 | Canon Kk | Line-by-line-photocopier |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2803381C2 (de) * | 1978-01-26 | 1986-03-27 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und Vorrichtung zum Bestimmen von Kopierlichtmengen für das Kopieren von Farbvorlagen |
| FR2433772A1 (fr) * | 1978-08-17 | 1980-03-14 | Kodak Pathe | Appareil de tirage photographique en couleurs et procede de determination des durees d'exposition |
| DE2911567A1 (de) * | 1979-03-23 | 1980-10-09 | Agfa Gevaert Ag | Verfahren zur ueberpruefung des betriebszustandes einer kopiervorrichtung und der nachgeschalteten entwicklungsvorrichtung |
| DE2911566C2 (de) * | 1979-03-23 | 1987-03-12 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und Vorrichtung zur Eichung eines Farbkopiegerätes |
| DE2911523C2 (de) * | 1979-03-23 | 1981-07-30 | Agfa-Gevaert Ag, 5090 Leverkusen | Fotografisches Kopiergerät mit einer fotoelektrisch gesteuerten Einrichtung zur automatischen Regelung der Kopierlichtmenge |
| JPS5756836A (en) * | 1980-09-22 | 1982-04-05 | Dainippon Screen Mfg Co Ltd | Method and device for correcting anti-reciprocity law in case of color reproduction |
| JPS5760352A (en) * | 1980-09-29 | 1982-04-12 | Dainippon Screen Mfg Co Ltd | Color correction apparatus for color copying camera |
| DE3317818A1 (de) * | 1983-05-17 | 1984-11-22 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur bestimmung der kopierlichtmengen in den einzelnen grundfarben beim farbkopieren |
| JPS60151632A (ja) * | 1984-01-19 | 1985-08-09 | Fuji Photo Film Co Ltd | 写真画像情報の較正方法 |
| JPS6153628A (ja) * | 1984-08-24 | 1986-03-17 | Sakata Shokai Ltd | 露光条件の設定方法 |
| IT1187044B (it) * | 1985-12-18 | 1987-12-16 | Durst Phototechnik Srl | Procedimento e dispositivo per la determinazione della filtratura in un ingranditore/riproduttore fotografico a colori |
| CH670713A5 (enrdf_load_stackoverflow) * | 1986-09-01 | 1989-06-30 | Germann & Gsell Ag | |
| US5049985A (en) * | 1988-10-13 | 1991-09-17 | Canon Kabushiki Kaisha | Color images reading apparatus having transformation table formed base on average values of plural color component signals |
| DE3840614A1 (de) * | 1988-12-02 | 1990-06-07 | Peter Daenzer | Verfahren zum herstellen von bildern belichteter und entwickelter maskierter farbnegativfilme auf farbnegativpapieren |
| DE19536584A1 (de) * | 1995-09-29 | 1997-04-10 | Agfa Gevaert Ag | Verfahren und Vorrichtung zum Kopieren fotografischer Vorlagen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH458924A (de) * | 1966-05-04 | 1968-06-30 | Ciba Geigy | Vorrichtung zur Steuerung der Belichtung in photographischen Kopiergeräten für Mehrfarbenbelichtung |
| US3585029A (en) * | 1966-07-21 | 1971-06-15 | Ilford Ltd | Printing positives from a plurality of color photographic negatives |
| CH523518A (de) * | 1969-06-16 | 1972-05-31 | Ciba Geigy Ag | Verfahren und Vorrichtung zur Belichtungssteuerung eines photographischen Kopiergerätes |
| US3653759A (en) * | 1970-12-08 | 1972-04-04 | Eastman Kodak Co | Automatic control of color correction of photographic printers |
-
1977
- 1977-03-11 CH CH309777A patent/CH627288A5/de not_active IP Right Cessation
-
1978
- 1978-03-07 JP JP2505278A patent/JPS53113531A/ja active Pending
- 1978-03-09 US US05/884,977 patent/US4222661A/en not_active Expired - Lifetime
- 1978-03-09 DE DE19782810295 patent/DE2810295A1/de active Granted
- 1978-03-10 GB GB9667/78A patent/GB1592037A/en not_active Expired
- 1978-03-10 IT IT48382/78A patent/IT1101823B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2125976A (en) * | 1982-07-15 | 1984-03-14 | Canon Kk | Line-by-line-photocopier |
Also Published As
| Publication number | Publication date |
|---|---|
| US4222661A (en) | 1980-09-16 |
| IT7848382A0 (it) | 1978-03-10 |
| JPS53113531A (en) | 1978-10-04 |
| IT1101823B (it) | 1985-10-07 |
| DE2810295C2 (enrdf_load_stackoverflow) | 1987-07-09 |
| DE2810295A1 (de) | 1978-09-14 |
| CH627288A5 (enrdf_load_stackoverflow) | 1981-12-31 |
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| JP2638700B2 (ja) | 露光条件決定方法 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |